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A345464
Second column of
A345461
- Number of distinct permutations after one step of the "optimist" sorting algorithm.
1
1, 1, 6, 38, 232, 1607, 12984, 117513, 1182540, 13060248, 157314056, 2051314949
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OFFSET
2,3
LINKS
Table of n, a(n) for n=2..13.
CROSSREFS
Cf.
A345453
,
A345461
.
Cf.
A000166
(equivalent for Eulerian numbers).
Cf.
A180191
(equivalent for Stirling numbers of the first kind).
Sequence in context:
A026296
A037499
A037676
*
A180030
A377114
A135030
Adjacent sequences:
A345461
A345462
A345463
*
A345465
A345466
A345467
KEYWORD
nonn
,
more
AUTHOR
Olivier Gérard
, Jun 20 2021
EXTENSIONS
a(11)-a(13) from
Pontus von Brömssen
, Jun 29 2021
STATUS
approved
